No problem, we've got 7431 and 6399 to multiply
7431 × 6399 = 6399 × (7431)
+ 6399 × 1 producing 6399
+ 6399 × 30 that equals 191970
+ 6399 × 400 that equals 2559600
+ 6399 × 7000 producing 44793000

= 47550969
